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Finding the Fourth Proportional to 63,462.40, 87,578.70 and 35,168.68

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Solution

The fourth proportional to 63,462.40, 87,578.70 and 35,168.68 is: 48,533.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,462.40 : 87,578.70 = 35,168.68 : x
  2. Step 2: Convert to fraction form
    63,462.40/87,578.70 = 35,168.68/x
  3. Step 3: Cross multiply
    63,462.40x = 87,578.70 × 35,168.68
  4. Step 4: Simplify right side
    63,462.40x = 3,080,027,275.12
  5. Step 5: Solve for x
    x = 3,080,027,275.12/63,462.40
  6. Step 6: Final answer
    x = 48,533.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.